A Recent Article Published in the New York Times Was

Multiple Choice

A recent article published in the New York Times was titled "Happy children do chores". From this title, we should infer that:

A) There is quite possibly a third omitted variable relating to the nature of some families, where children are happy and do household chores.
B) Happiness causes children to do chores.
C) Children should be forced to do more chores around the house.
D) Doing chores causes children to be happy.